FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -During the 1990s and early 2000s, CD-ROMs were popularly used to distribute software and data for computers and fifth generation video game consoles. DVD started to replace it in these roles starting in the early 2000s.

Detailed explanation-2: -An optical drive is usually a CD drive or DVD drive. Optical means it uses lenses. The drive uses a light called a laser. A laser is the most exact and powerful sort of light but the laser in the drive is very, very small.

Detailed explanation-3: -A CD-ROM drive is a type of optical drive that can read data from a CD-ROM. A CD-ROM is a compact disc that contains read-only data. This means that the data on the disc can be read by the computer, but not written to or erased.

Detailed explanation-4: -Unless your drive is a DVD drive or a DVD combo drive, a drive capable of reading multiple disc formats including DVDs, it cannot read DVD discs. Also, realize that although you may have a drive capable of reading CD-ROM, CD-RW, and CD-R discs, it still may be unable to read DVD discs.